They used to get trans-vaginal ultrasounds. Never heard of trans-rectal ultrasound, but why not? Doctors are very inventive.
Jeffrey W. Milsom has written: 'A surgeon's guide to endoscopic and laparoscopic ultrasonography of the colon, rectum, and anus' -- subject(s): Ultrasonography, Ultrasonic imaging, Methods, Anus, Rectal Diseases, Anus Diseases, Endoscopy, Colon (Anatomy), Laparoscopy, Liver Diseases, Colonic Diseases, Rectum, Endoscopic ultrasonography
Cranial ultrasonography is most often used in infants to diagnose problems with the brain
Transcranial Doppler ultrasonography is a noninvasive method of analyzing blood flow in the brain.
Sonogram
Ultrasonography is also called sonography, diagnostic sonography, and echocardiography when it is used to image the heart
Carotid Ultrasonography
A Doppler ultrasonography test showing no restricted blood flow is a normal finding.
Ultrasonography procedures are safe, noninvasive, and painless. No special precautions are necessary.
Doppler ultrasonography uses what is called the Doppler effect to measure the rate and direction of blood flow in the vessels.
with the wave transmitted in tissue
rectal sparing